I - Symptoms:
I do not see any call data on my screen in my application software.
My application software says it is not communicating with the hardware.
I cannot see call data in terminal mode.
I - Assumptions:
Telephone lines are connected correctly
The unit is connected to a serial port
Power is connected to the unit.
I - Problems:
The software is not configured to the correct COMM port number on which the serial port resides.
The serial port that the unit is connected to has a COMM port or Interrupt (IRQ) conflict.
I - Solutions:
Determine which communication (COMM) port number the serial port is configured to and whether it has a COMM port number, or Interrupt (IRQ) number conflict with an internal modem or other device. For more on COMM ports and IRQs see Appendix C, page 46.
To determine whether the serial port is configured and working properly use any modem communications program such as “Hyperterminal” in Windows, and follow the Loopback test procedure below.
Make sure that any software program that runs in conjunction with Whozz Calling? is closed.
Run Hyperterminal from the Accessories Program Group.
In the Connection Description dialog box Type: “Test” on the Name line and Select: OK
In the Phone Number dialog box leave phone number blank and Select: Connect using Direct to COMx. Where “x” represents the COM port number being tested (ex. 1,2,3, etc.) Select: OK
In the Properties dialog box Select Bits per second: 9600, Data bits: 8, Parity: None, Stop bits: 1, and Flow Control: None. Then Select: OK
Select: File/Properties. In the Test Properties dialog box select the Settings tab and set Emulation to ANSI. Select ASCII Setup and make sure that Echo typed characters locally box is not checked. Select: OK to close and OK again to close the Test Properties box.
Select: File/Properties. In the Test Properties dialog box select the Settings tab and set Emulation to ANSI. Select ASCII Setup and make sure that Echo typed characters locally box is not checked. Select: OK to close and OK again to close the Test Properties box.
Type any character.
If the character you typed shows on the screen, the serial port is functioning properly, the test is positive.
If you do not see the character typed, Select: Call/Disconnect. Select File/Properties, choose another COM port and click OK.
Select: Call/Connect and type any character again and repeat above as necessary.
If a fax/modem board is installed in your computer, the Loopback test performed on this COM port will give a false positive result. You can check to see if the FAX/modem is on the COM port your testing by typing “AT” and pressing the “Enter” key. A FAX/modem will return “OK”.
If you obtain a positive result, skip to “Loopback Test Successful” on page 36. If not, you may have a conflict between your serial port settings and an internal device such as a FAX/modem. Consult your computer technician to resolve the conflict.
After a successful Loopback test, reconnect the unit and type a capital “V” (Shift “V”). The unit will respond with the firmware version number, setup toggles, line number of the first channel, and date & time. The unit is now communicating with the serial port. Note the COMM port number to which you are directly connected.
Make a test phone call on each of the phone lines. If the phone call data appears on your screen, most likely the phone lines are connected correctly and the unit is working properly. If you are using application software, exit your terminal program and run your application software again. If phone call data still does not appear in your application software, determine whether the software can be manually configured to the correct COMM port. Contact your application software provider if problems still persist.
Monitoring the output from the unit in a terminal program does not save data unless you capture it to a text file. If not captured, the data that scrolls off your screen is lost. When you enter your terminal program you must immediately set it to capture data to a file. Since terminal programs can be set to append data to an existing text file, you can capture data to the same file every time you run your terminal program. Below are instructions on how to start capturing data to a text file for three specific terminal programs. If you are using another terminal program refer to its help instructions.
From the terminal screen:
Press Alt-F1, type file name
Select: Transfer/Capture Text, and type text file name
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